A rectangle is a four-sided polygon with opposite sides that are equal in length and parallel to each other. The opposite angles in a rectangle are also equal. The properties of a rectangle include:

- Opposite sides are equal in length
- Opposite angles are equal
- The sum of all angles is 360 degrees
- Diagonals are equal in length and bisect each other

Area of a rectangle = length × width

Perimeter of a rectangle = 2 × (length + width)

Here are some key points to remember about rectangles:

- A rectangle has four sides, and the opposite sides are equal in length.
- The opposite angles in a rectangle are also equal.
- The sum of all angles in a rectangle is 360 degrees.
- The area of a rectangle is calculated by multiplying its length and width.
- The perimeter of a rectangle is found by adding the lengths of all four sides.
- The diagonals of a rectangle are equal in length and bisect each other.

Understanding these properties and formulas will help you solve problems related to rectangles with ease.

Study GuideAlgebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer keyAlgebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer keyAlgebraic Equations

Algebra (NCTM)

Represent and analyze mathematical situations and structures using algebraic symbols.

Recognize and generate equivalent forms for simple algebraic expressions and solve linear equations

Grade 6 Curriculum Focal Points (NCTM)

Algebra: Writing, interpreting, and using mathematical expressions and equations

Students write mathematical expressions and equations that correspond to given situations, they evaluate expressions, and they use expressions and formulas to solve problems. They understand that variables represent numbers whose exact values are not yet specified, and they use variables appropriately. Students understand that expressions in different forms can be equivalent, and they can rewrite an expression to represent a quantity in a different way (e.g., to make it more compact or to feature different information). Students know that the solutions of an equation are the values of the variables that make the equation true. They solve simple one-step equations by using number sense, properties of operations, and the idea of maintaining equality on both sides of an equation. They construct and analyze tables (e.g., to show quantities that are in equivalent ratios), and they use equations to describe simple relationships (such as 3x = y) shown in a table.